The LinkedIn Marketing API is enterprise-gated. Phantombuster wants $69/mo. The cookie-paste shortcut on Stack Overflow breaks within four requests. SuperMCP solves this with Playwright and your real Chrome session. Here's the architecture plus the prompt patterns I use weekly. TL;DR I run a forum at webmatrices.com where indie founders post about their SaaS bottlenecks. A lot of the same complaints surface on LinkedIn, in the comments under bigger founder posts. I wanted Claude to cross-reference both. The cleanest path turned out to be a LinkedIn MCP server that reuses your Chrome login session via Playwright. No API key, no third-party cloud, nothing leaves your laptop. Code's at github.com/Bishwas-py/supermcp . MIT-licensed. Install is pip install supermcp && supermcp setup . The LinkedIn-specific docs are here . If you just want the working setup, skip to the architecture section. If you want to know why the cookie-paste shortcut fails, keep reading.…